Home / 435,359-672,712

Finding the Third Proportional to 435,359 and 672,712

Calculator

Solution

The third proportional to 435,359 and 672,712 is: 1,039,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,359 : 672,712 = 672,712 : x
  2. Step 2: Convert to fraction form
    435,359/672,712 = 672,712/x
  3. Step 3: Cross multiply
    435,359x = 672,712 × 672,712
  4. Step 4: Simplify right side
    435,359x = 452,541,434,944
  5. Step 5: Solve for x
    x = 452,541,434,944/435,359
  6. Step 6: Final answer
    x = 1,039,467.28

Related Problems

Find third proportional to 217,679.50 and 336,356
Half scale
Find third proportional to 870,718 and 1,345,424
Double scale
Find third proportional to 435,361 and 672,715
Similar ratio
Find third proportional to 653,038.50 and 1,009,068
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.